22022085816 has 128 divisors (see below), whose sum is σ = 64785830400. Its totient is φ = 6916631040.

The previous prime is 22022085803. The next prime is 22022085817. The reversal of 22022085816 is 61858022022.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022085817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299776 + ... + 365936.

It is an arithmetic number, because the mean of its divisors is an integer number (506139300).

Almost surely, 2^22022085816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22022085816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32392915200).

22022085816 is an abundant number, since it is smaller than the sum of its proper divisors (42763744584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22022085816 is a wasteful number, since it uses less digits than its factorization.

22022085816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66266 (or 66256 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 22022085816 in words is "twenty-two billion, twenty-two million, eighty-five thousand, eight hundred sixteen".